20011854
16.10.2019 •
Mathematics
Random samples of size n 1equals70 and n 2equals80 were drawn from populations 1 and 2, respectively. the samples yielded modifyingabove p with caret 1equals0.6 and modifyingabove p with caret 2equals0.3. test upper h 0 : (p 1 minus p 2 )equals 0.1 against upper h subscript a baseline : (p 1 minus p 2 )greater than 0.1 using alphaequals0.05. find the test statistic. the test statistic is zequals nothing. (round to two decimal places as needed.) find the p-value. the p-value is nothing. (round to four decimal places as needed.) what is the appropriate conclusion of the hypothesis test at alphaequals0.05?
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Ответ:
b. 252
Step-by-step explanation:
Hence 252 is exactly divisible by 3.